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Explain in terms of electron movement what happens when a polythene rod becomes charged negatively by being rubbed with a cloth |
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Answer» Answer: When a polythene rod is RUBBED with a DUSTER, the friction causes electrons to GAIN energy. Electrons gain enough energy to leave the atom and 'rub off' onto the polythene rod. The polythene rod has gained electrons, giving it a NEGATIVE charge. |
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